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3 years ago

Help me What is 1/2 divided by 2/3

Mathematics

2 answers:

Anit [1.1K]3 years ago

6 0

Answer:

Step-by-step explanation:

$\frac{1}{2}\div \frac{2}{3}\\\\\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}\\\\=\frac{1}{2}\times \frac{3}{2}\\\\\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}=\frac{1\times \:3}{2\times \:2}\\\\=\frac{3}{4}$

ycow [4]3 years ago

3 0

Answer: 0.75 = 3/4

Step-by-step explanation: To solve, flip the second fraction and multiply the numerators and denominators together and simplify.

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A regular square pyramid has base edges of length 16 and its lateral faces are inclined 30° to the base of the pyramid. What is

Helga [31]

Answer:

1) $h=\frac{8\sqrt{3}}{3}\ units$

2) $V=\frac{2,048\sqrt{3}}{9}\ units^3$

Step-by-step explanation:

Part 1) Find the height of the pyramid

we know that

$tan(30^o)=\frac{h}{(b/2)}$

where

h is the height of the pyramid

b is the length side of the square base

we have

$tan(30^o)=\frac{\sqrt{3}}{3}$

$b=16\ units$

substitute

$\frac{\sqrt{3}}{3}=\frac{h}{(16/2)}$

$\frac{\sqrt{3}}{3}=\frac{h}{8}$

$h=\frac{8\sqrt{3}}{3}\ units$

Part 2) Find the volume of the pyramid

we know that

The volume of the pyramid is equal to

$V=\frac{1}{3} Bh$

where

B is the area of the square base

h is the height of the pyramid

we have

$B=(16^2)=256\ units^2$

$h=\frac{8\sqrt{3}}{3}\ units$

substitute

$V=\frac{1}{3} (256)(\frac{8\sqrt{3}}{3})$

$V=\frac{2,048\sqrt{3}}{9}\ units^3$

8 0

3 years ago

12²+ 9 - 4<br> a) 119<br> b)147<br> c)137<br> d)221

ziro4ka [17]

Answer:

it will be 147

Step-by-step explanation:

12x12=144

5 0

3 years ago

Read 2 more answers

05 lc) if x2 = 10, what is the value of x? ±square root of 10 ±square root of 20 ±5 ±20

postnew [5]

$x^2=10\\x=\pm\sqrt{10}$

7 0

3 years ago

Question 3 (10 points)

Georgia [21]

Answer:

$10,000

Step-by-step explanation:

6% of 10000 = 0.06 × 10000 = 600

8 0

3 years ago

I need help <br><br> Evaluate functions from their graph

andreev551 [17]

Answer:

$g(7)=4$

Step-by-step explanation:

We look for where $x=7$ . The way you find the answer is first, find the point $(0, 7)$ . Draw a line straight up and down, and see where that line intersects the function. Those intersection points are your answer(there will always be only 1 for a function, but if a graph isn't a function, there might be more than 1).

Using this method here, we see that $g(7)$ intersects our line at $(7, 4)$ , so $g(7)=4$ .

6 0

3 years ago

Help me What is 1/2 divided by 2/3￼

Help me What is 1/2 divided by 2/3